<kl-crumb separator="/">
    <kl-crumb-item><kl-icon type="home2" color="#E31436" /></kl-crumb-item>
    <kl-crumb-item>第一级目录</kl-crumb-item>
    <kl-crumb-item>第二级目录</kl-crumb-item>
    <kl-crumb-item>第三级目录</kl-crumb-item>
    <kl-crumb-item href="http://www.kaola.com">第四级目录</kl-crumb-item>
    <kl-crumb-item>第五级目录</kl-crumb-item>
</kl-crumb>